title: A new cucurbitacin D related 16,23-epoxy derivative and its isomerization products.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D019662:Cucurbitaceae / Q000737:chemistry*; D004852:Epoxy Compounds / Q000737:chemistry / Q000302:isolation & purification; D005638:Fruit / Q000737:chemistry; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D010946:Plants, Medicinal / Q000737:chemistry*; D013237:Stereoisomerism; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification*
chemical_list: D004852:Epoxy Compounds; D014315:Triterpenes; C038105:cucurbitacin D